3311649 has 18 divisors (see below), whose sum is σ = 5259618. Its totient is φ = 2006400.

The previous prime is 3311647. The next prime is 3311657. The reversal of 3311649 is 9461133.

3311649 is a `hidden beast` number, since 3 + 3 + 11 + 649 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 17424 = 1815^2 + 132^2 .

It is not a de Polignac number, because 3311649 - 2¹ = 3311647 is a prime.

3311649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3311641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 432 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (292201).

Almost surely, 2^3311649 is an apocalyptic number.

It is an amenable number.

3311649 is a deficient number, since it is larger than the sum of its proper divisors (1947969).

3311649 is a wasteful number, since it uses less digits than its factorization.

3311649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069 (or 3055 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3311649 is about 1819.7936696230. The cubic root of 3311649 is about 149.0555323537.

The spelling of 3311649 in words is "three million, three hundred eleven thousand, six hundred forty-nine".